backend/data/backup-state.json

{
  "lastBackupTime": "2025-07-04T08:00:00.390Z",
  "backupStats": {
    "totalBackups": 4,
    "successfulBackups": 0,
    "failedBackups": 3,
    "lastBackupResult": {
      "timestamp": "2025-07-04T08:00:00.390Z",
      "success": false,
      "totalUsers": 1,
      "totalPPTs": 1,
      "successfulBackups": 0,
      "failedBackups": 1,
      "errors": [],
      "duration": 701
    }
  },
  "savedAt": "2025-07-04T08:43:27.309Z"
}